code: def test_true(self, code: str) -> None:
      float_array = np.arange(-5, 5).astype(code)
      for value in float_array:
          assert value.is_integer()
  
imports: import fractions
  import platform
  import types
  from typing import Any, Type
  import pytest
  import numpy
  from numpy._core import sctypes
  from numpy.testing import assert_equal, assert_raises, IS_MUSL
label_desc: Use image node_id 2 for calling the TestIsInteger obj's underlying member method code with example usage: obj.test_true(code) without return types